Home / 91,410.54-126,147.51-53,685.42

Finding the Fourth Proportional to 91,410.54, 126,147.51 and 53,685.42

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Solution

The fourth proportional to 91,410.54, 126,147.51 and 53,685.42 is: 74,086.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,410.54 : 126,147.51 = 53,685.42 : x
  2. Step 2: Convert to fraction form
    91,410.54/126,147.51 = 53,685.42/x
  3. Step 3: Cross multiply
    91,410.54x = 126,147.51 × 53,685.42
  4. Step 4: Simplify right side
    91,410.54x = 6,772,282,056.30
  5. Step 5: Solve for x
    x = 6,772,282,056.30/91,410.54
  6. Step 6: Final answer
    x = 74,086.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.